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American Express Backend Developer Interview Questions and Answers
2 interviews found
Anonymous
1 Interview Round
One-on-one Round (1 Question)
- Q1. Coin change problem Add Answer
I applied via Naukri.com and was interviewed in Apr 2024.
2 Interview Rounds
One-on-one Round (1 Question)
- Q1. System design of iot machine View Answers (1)
Coding Test Round
Linked list implementation
Interview Preparation Tips
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I applied via Instahyre and was interviewed in Feb 2022.
2 Interview Rounds
Coding Test Round
A hackerrank test was shared which had 2 ques to be solved in 60 min in Node.JS. The first one was a simple DS question related to arrays. The second ques was to write routes and controllers for a Node.JS Express app. The routes were GET /projects, GET /project/:id and GET /projects/active
One-on-one Round (5 Questions)
- Q1. What is the difference between package and package-lock.json? View Answers (1)
- Q2. Write a function that can keep a count of certain functions in our application. View Answers (1)
- Q3. How can we make sure that package versions are taken from package-lock.json and not package.json View Answers (1)
- Q4. Create an object and write a function inside it. View Answers (1)
- Q5. Given an array that has stock prices from morning till afternoon. Return the best buy and sell price to gain the max profit. For example, input -> [2,5,8,1,3,6,...read more Add Answer
Interview Preparation Tips
- Node.Js
I applied via Instahyre and was interviewed in Feb 2022.
2 Interview Rounds
Coding Test Round
A hackerrank test was shared which had 2 ques to be solved in 60 min in Node.JS. The first one was a simple DS question related to arrays. The second ques was to write routes and controllers for a Node.JS Express app. The routes were GET /projects, GET /project/:id and GET /projects/active
One-on-one Round (5 Questions)
- Q1. What is the difference between package and package-lock.json? View Answers (1)
- Q2. Write a function that can keep a count of certain functions in our application. View Answers (1)
- Q3. How can we make sure that package versions are taken from package-lock.json and not package.json View Answers (1)
- Q4. Create an object and write a function inside it. View Answers (1)
- Q5. Given an array that has stock prices from morning till afternoon. Return the best buy and sell price to gain the max profit. For example, input -> [2,5,8,1,3,6,...read more Add Answer
Interview Preparation Tips
- Node.Js
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